Ahaha almost but I used to get “hold up” instead of hang fire maybe they are twinsI hate poorly too! I’d just say unwell/ sick /ill, Nobody really says it in my (British) city but kept hearing it on TV possibly Coronation St
Do we share an ex? He used to say by the same token a lot, I’d never even heard it before plus he had a regional accent and the way he said token grated on me he also used to say ‘hang fire’ which annoyed me and ‘definately’